PSY202H1 Study Guide - Midterm Guide: Sports Drink, Statistical Hypothesis Testing, Standard Deviation
6 Jun 2014
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Exam practice: knowing which statistical test to use (and using it correctly!) Partial answers will be provided in a separate document: a researcher is testing the hypothesis that consuming a sports drink during exercise improves endurance. A sample of n = 50 male college students is obtained and each student is given a series of three endurance tasks and asked to consume 4 ounces of the drink during each break between tasks. The overall endurance score for this sample is m = 53. Use a two-tailed test with = . 05: belsky, weinraub, owen, and kelly (2001) reported on the effects of preschool childcare on the development of young children. One result suggests that children who spend more time away from their mothers are more likely to show behavioral problems in kindergarten. Using a standardized scale, the average rating of behavioral problems for kindergarten children is = 35.
